90005150 has 12 divisors (see below), whose sum is σ = 167409672. Its totient is φ = 36002040.

The previous prime is 90005137. The next prime is 90005173. The reversal of 90005150 is 5150009.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 900002 + ... + 900101.

It is an arithmetic number, because the mean of its divisors is an integer number (13950806).

Almost surely, 2^90005150 is an apocalyptic number.

90005150 is a deficient number, since it is larger than the sum of its proper divisors (77404522).

90005150 is a wasteful number, since it uses less digits than its factorization.

90005150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800115 (or 1800110 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 90005150 is about 9487.1044054548. The cubic root of 90005150 is about 448.1490223573.

Adding to 90005150 its reverse (5150009), we get a palindrome (95155159).

The spelling of 90005150 in words is "ninety million, five thousand, one hundred fifty".